2820620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12821}}^1$

素因数の和:12841

約数の個数: 24

約数和(自身を含む): 6462288

約数和(自身を除く): 3641668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12821, 25642, 51284, 64105, 128210, 141031, 256420, 282062, 564124, 705155, 1410310, 2820620]

約数ペア:

[(1, 2820620), (2, 1410310), (4, 705155), (5, 564124), (10, 282062), (11, 256420), (20, 141031), (22, 128210), (44, 64105), (55, 51284), (110, 25642), (220, 12821)]